<template>
  <div class="login-container">
    <el-form ref="loginFormRef" class="login-form" :model="loginForm" :rules="loginRules">
      <div class="title-container">
        <h3 class="title">用户登录</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <SvgIcon icon="user" />
        </span>
        <el-input v-model="loginForm.username" placeholder="请输入" name="username" type="text" />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon="password" />
        </span>
        <el-input
          v-model="loginForm.password"
          placeholder="请输入"
          name="password"
          :type="passwordType"
        />
        <span class="show-pwd">
          <svg-icon
            :icon="passwordType === 'password' ? 'eye' : 'eye-open'"
            @click="onChangePwdType"
          />
        </span>
      </el-form-item>

      <el-button
        type="primary"
        size="large"
        class="login-btn"
        :loading="submitLoading"
        @click="handleLogin"
        >登录</el-button
      >
    </el-form>
  </div>
</template>

<script lang="ts" setup>
import { ref } from 'vue'
import { useRouter } from 'vue-router'

import { validatePassword } from './rules'

import { useUserStore } from '@/stores/user'

defineOptions({ name: 'PageLogin' })

/* data & hooks */
const userStore = useUserStore()
const router = useRouter()

const loginFormRef = ref()
// 数据源
const loginForm = ref({
  username: 'super-admin',
  password: '123456'
})
// 验证规则
const loginRules = ref({
  username: [
    {
      required: true,
      trigger: 'blur',
      message: '用户名为必填项'
    }
  ],
  password: [
    {
      required: true,
      trigger: 'blur',
      validator: validatePassword()
    }
  ]
})
const submitLoading = ref(false)

// 密码类型
const passwordType = ref<'password' | 'text'>('password')

/* methods */
function onChangePwdType() {
  passwordType.value = passwordType.value === 'password' ? 'text' : 'password'
}

function handleLogin() {
  loginFormRef.value?.validate((valid: boolean) => {
    if (!valid) return

    userStore
      .actionLogin(loginForm.value)
      .then(() => {
        router.push('/')
      })
      .finally(() => {
        submitLoading.value = false
      })
  })
}
</script>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;
$cursor: #fff;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  :deep(.login-form) {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;

    .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }

    .el-input {
      display: inline-block;
      height: 48px;
      width: 85%;

      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: $light_gray;
        height: 48px;
        caret-color: $cursor;
      }

      .el-input__wrapper {
        padding: 0;
        width: 100%;
        background-color: transparent;
        box-shadow: none;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .login-btn {
    width: 100%;
  }
}
</style>
